netdev - Re: [PATCH] udp: Fix udp

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Message-Id: <20091013.031814.100807531.davem@davemloft.net>
Date:	Tue, 13 Oct 2009 03:18:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	herbert@...dor.apana.org.au, rjw@...k.pl,
	Ralf.Hildebrandt@...rite.de, linux-kernel@...r.kernel.org,
	kernel-testers@...r.kernel.org, netdev@...r.kernel.org,
	yjwei@...fujitsu.com, tyasui@...hat.com, haoki@...hat.com
Subject: Re: [PATCH] udp: Fix udp_poll() and ioctl()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 09 Oct 2009 16:43:40 +0200

> [PATCH] udp: Fix udp_poll()
> 
> udp_poll() can in some circumstances drop frames with incorrect checksums.
> 
> Problem is we now have to lock the socket while dropping frames, or risk
> sk_forward corruption.
> 
> This bug is present since commit 95766fff6b9a78d1
> ([UDP]: Add memory accounting.)
> 
> While we are at it, we can correct ioctl(SIOCINQ) to also drop bad frames.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Looks good, applied, thanks Eric!
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